Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/pseudonormal_test.h

@@ -0,0 +1,78 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2015 Alec Jacobson <alecjacobson@gmail.com>
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public License 
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
+// obtain one at http://mozilla.org/MPL/2.0/.
+#ifndef IGL_PSEUDONORMAL_TEST_H
+#define IGL_PSEUDONORMAL_TEST_H
+#include "igl_inline.h"
+#include <Eigen/Core>
+namespace igl
+{
+  // Given a mesh (V,F), a query point q, and a point on (V,F) c, determine
+  // whether q is inside (V,F) --> s=-1 or outside (V,F) s=1, based on the
+  // sign of the dot product between (q-c) and n, where n is the normal _at c_,
+  // carefully chosen according to [Bærentzen & Aanæs 2005]
+  //
+  // Inputs:
+  //   V  #V by 3 list of vertex positions
+  //   F  #F by 3 list of triangle indices
+  //   FN  #F by 3 list of triangle normals 
+  //   VN  #V by 3 list of vertex normals (ANGLE WEIGHTING)
+  //   EN  #E by 3 list of edge normals (UNIFORM WEIGHTING)
+  //   EMAP  #F*3 mapping edges in F to E
+  //   q  Query point
+  //   f  index into F to face to which c belongs
+  //   c  Point on (V,F)
+  // Outputs:
+  //   s  sign
+  //   n  normal
+  template <
+    typename DerivedV,
+    typename DerivedF,
+    typename DerivedFN,
+    typename DerivedVN,
+    typename DerivedEN,
+    typename DerivedEMAP,
+    typename Derivedq,
+    typename Derivedc,
+    typename Scalar,
+    typename Derivedn>
+  IGL_INLINE void pseudonormal_test(
+    const Eigen::MatrixBase<DerivedV> & V,
+    const Eigen::MatrixBase<DerivedF> & F,
+    const Eigen::MatrixBase<DerivedFN> & FN,
+    const Eigen::MatrixBase<DerivedVN> & VN,
+    const Eigen::MatrixBase<DerivedEN> & EN,
+    const Eigen::MatrixBase<DerivedEMAP> & EMAP,
+    const Eigen::MatrixBase<Derivedq> & q,
+    const int f,
+    Eigen::PlainObjectBase<Derivedc> & c,
+    Scalar & s,
+    Eigen::PlainObjectBase<Derivedn> & n);
+  template <
+    typename DerivedV,
+    typename DerivedF,
+    typename DerivedEN,
+    typename DerivedVN,
+    typename Derivedq,
+    typename Derivedc,
+    typename Scalar,
+    typename Derivedn>
+  IGL_INLINE void pseudonormal_test(
+    const Eigen::MatrixBase<DerivedV> & V,
+    const Eigen::MatrixBase<DerivedF> & E,
+    const Eigen::MatrixBase<DerivedEN> & EN,
+    const Eigen::MatrixBase<DerivedVN> & VN,
+    const Eigen::MatrixBase<Derivedq> & q,
+    const int e,
+    Eigen::PlainObjectBase<Derivedc> & c,
+    Scalar & s,
+    Eigen::PlainObjectBase<Derivedn> & n);
+}
+#ifndef IGL_STATIC_LIBRARY
+#  include "pseudonormal_test.cpp"
+#endif
+#endif